Method and control device for lubricating systems



oct. 1s, 192s. 1,687,827

F. E.' BUXTON 7 METHOD yAND CONTROL DEVICE FOR LUBRIGATING SYSTEMS Filed Jan. 17. 1921 4 sheets-sheet l l u ff :e a I, uw n my ll//g o lm o ma!) I o @I I I m a@ l Q 4D v1 L n s l "JI Ihm lmls l ammi l l IN n l llh f' u A1 tl HII f zal l .mvg-Kran oct'. 16,- 1928.. 1,687,827

` F. E. BUXTON METHOD AND CONTROL DEVICE FOR LUBRICATING SYSTEMS FlAed Jan. 1'7. 1921 4 Sheets-Sheet 4 Patented Oct.jl6,` 128yv i PATENT OFFICE.

' FRANCIS n. Bux'roN, or INnIANArorIs, INnIANA.

'IETHOD ND CONTROL DEVICE-FOB LUBRICATING SYSTEMS.

Application mea January 17,1921.' serial N0'. 437,915.1.

.f'Ihis invention has to* do with the artlof Second, the conventional bearing sleeve automatic lubrication for shaft bearings, and power' motorsgenerally, and it is especially adapted to crankshafts and the crank arms 'operated thereby, In its preferred embodi- `ment the invention as a method and system, comprises oil cont-rol deviesrf-suchas means added to and coacting with, one or more main bearing sleeve elements, which lirst act to directly compress oil, and then sub-divide thc same, in order to be useddirectly, aslubricant andindirectly, as means to cool; automatic discharge controlling devices, and exhaust delivery devices being the means that channel connect directly, separated bearing elements. While the invention includesthe combined instrumentalities above mentioned, I Wish it to be understood that I consider the aforesaid means not'only combinatively novel, but in so far as I `am advised, the devices going to make 7up such means are new,` aside from the said combinations that make for the Whole, as

will more clearly appear hereinafter.

To fully explain the advantages of my invention I shall refer briefly to the operation of other Well known methods.

)Lubrication means as heretofore arranged, even in the most carefully designed motors lsignally fails, since the said means does not,

prevent excessive heating within their bearlings.' And allowed to remain, as results indicate, said'frictional heat rapidly expands in velume and tends to likewisesexpand-4 the surface of the bearings, and thus practically closing the running clearance spaces therein. v Moreover, the ordinaryV methodof center channeling the crank shafts of motors, or, the like tofacilitate lubrication, it not only adding a major expense, but such a tortuous path requires thatthe'oil pressure be carried excessively high, which tends to break down .its value. And further,'-an obstruction may by blocking one of the small channels connecting each bearing in s`uch an arrangement, not only stop the flow of oil-to that one, but eventually to all, and thus, may seizing beoomegeneral.

i And other causes which contribute toward this said eHect' are mentioned in cl sitied order. Y @n First,A the ordinary brass backed bearing sleeve, khaving a high' thermal resistance baffles very materially the escape of heat di rectly through the wall'pf the said member.

does not in service remain true in form, to correspond with that of the shaft which 'it should conform to Vand support. 4So to mention again, the ordinary method Aemploys superpressuref in order to force lubrlcant Within a necessarily small,but in this instance, inaccurate clearance space.

Consequently, under the-above mentioned conditions, the necessary oil-film breaks, and inruptured sectiors the same is'carrie'd round and round Within the bearing, and thereby seizingr results. Y

Finally, the mechanical. diliicultie's t0 be met, in order to properly. retain this desired lilm-e-became sosgreat, thatballs and rolls l have been inserted Within bearings, to act as a substitutefor oil.l ,l Vith the foregoing in view, thisinvention provides a means to deliver, compress and dis,- pense automatically, a continuous supply of oil for lubrication and the absorbing of heat, throughout the confines of a motor, or other-like machines. Said pressure supply is so positioned, as to be channel connected directly, with the adjacent clearance spaces, or zonesof the main pressure bearings. V The said delivery means therefore, 'is susceptible'of limiting the volume of oil, entering the said clearance spaces, and tends to byconcentric jacket chambers positioned be- VVyond the contour of the clearance zones. And

said portion of oil therein, acts as a circula- ,tory flush. y

Inladdition, said clearance zones in al1 the shaft bearings, which include those carried by the cranks, are susceptible of readjustment in order to vary the thickness of the oilfllm therein, this is desired by reason of the varied consistency of the commercial oils to be used: and as a necessary guard, locking means is provided,'to protect the same from unauthorized tampering, after the necessary .adjustments have been made. And as before premised, special means, have been devised 'to directly connect the main shaft bearings, A,with their adjacent crank arm7 bearings, the

' same device being combined with other in Figurel is a general view in side elevation and broken section, of an ordinary explosivemotor, having the invention applied thereto.

Figure 2 is an end elevation of the same showing in a staggered cross section, the oil delivery means and the pump-bearing, that also compresses 'and dispenses oil for lubrication.`

Figure 3 is an enlarged broken section of a motor valve head mechanism, showing the uppermost means provided to dispense lubri cation. Figure 4 is a central cross section of the pump-hearing mechanism, also showing the manner in' which the same may be oper`r ated.

Figure 5 is a side elevation of the same devices, with certain parts broken away and shown in section.

Figure 6 is a broken portion in section, of an oil control device, beingva detail showing a second operative position.

Figure 7 is also a detail showing an oil scavenger roll removed, and toI demonstrate its adjustability of length.

Figures 8, 9 and 10 are enlarged broken portions of a eompressible bearing sleeve element, shown in section and plan, in order to illustrate inv detail an oil control valve in its open and closed positions.

Figure 11 is a portion of one of the motors supporting cradles showing an innermost view of the same and the oil inlet openings.

Figure 12 is an end elevation of the pumpbearing, as a unit and the lower part in cross section taken vertically through the center,

and shows the oil control/valves at the lower-` most position closed.

Figure 153 is a side elevation of the same the lower portion view is alsoal central cross section, showing the oil delivery sleeve device more clearly and its adaptability otherwise.

Figures 14 and 15 are end and side elevations, of the bearing-sleeve cage, also as an oil control deviceA and taken on' central sections. Figures 16 and 17, are end and side elevations of a bearing sleeve of a somewhat modified form and vshown separable at an angle, said angle being at right angles to the parting line of its removed cage (referring to Fig.' 14.)

Figures 18 and 19, are side elevations ofy the rotor oil delivery sleeve, the former Shown as turned 90 degrees relative to that of the latter, to illustrate its detachably attached' means of assemblage. Y

Figure 20 1s anend` elevation of a modified form and manner of direct connected power means to operate the oil-pump bearing, also' the arrangement of a priming device-connected therewith. i

Figure 24 is.a side elevation of the same partially shown in broken section; Fig. 21 is an enlarged. portion of a crank arm in direct channel engagement with a broken section of' the oil pump-bearing device. Figs. 22 and23,

The term ,oil control, as used herein, is intended to include a rotor oilv delivery element, or any equivalent device, that coacts toward, or functions in this improved system of lubrication. A very brief description'of an ordinary explosive motor to which the attachment of this invention is applied will suflice,-since the particular type of such a motor is immaterial to the invention which has a wide range of adaptability, to various l kinds of motors or machines. Supplementing the above brief, and without referring to indices: Figs. 1 and 2, fairly represents one of such machines. the same embodying a main shaft carrying double crank arms, and in this instance, there vare four. The shaft and the crank pins are in fact, not required to be -hollow formed: forthe .reason which will be mentioned presently. To support-and opervate the said shaft, it is preferred first, to adjustably assemble the main bearings, which includes. the special pump-bearing-one or more, also the crank operating bearings directly in their positions upon the shaft and the crank-pins, thus, comprising an operative unit. This said assemblage is then. ro-

tatably secured within suitable cradles, which are fixtures of the motor and carried by the same.

As before premised, the ordinary method however, with its complications and expense accruing from hollow channeling the shafts crank-pins and arms of said element, are, by

ythis invention absolutely displaced/s Since maximum lubrication is secured, byv a profusion of radially positioned inlets that conduct pressure oil, from supply chambers positioned directly adjacent to theclearance zones of the bearings'thereof.

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The termadjustable' bearing-sleeve, as`

used herein, is intended to include4 any .coacting device directly attached thereto land should be considered a unit,-in this specification.

Therefore, referring to Figs. 15, 16 and 17,

I show in detail, a modified form, of a previouslyconstru'cted bearing'p'element, and de' scribed bygme in United States Patent No. 1,313,466. k

Moreover, I use in my present construction, certain basic features of the above mentioned patent: particularly, the bearing-sleeve element, but a modiicationla's above premised. Therefore, it will be better to abridge the description relative to the old in combination;

Pump-bearing volevces'.

This devicev as a combination, comprises, a centermost bearing element which is formed in a manner to'admit of reduction, relative to its inner diameter, by manual means exerted through yits supporting member, and this.

i The inner bearing in this instance,I being in halves and indiced 2, 2', and means 4 to lsecure-the same together. Whilst its outer form comprises reversed cones which converge near the center into a common diameter. Formed .O in parallel `and within the exterior of said sleeve, are series of spaced apart V-likeV grooves and positioned near the base of the saine are series of angular indentations 8. And directly crossing said.V grooves, are a series of spaced apart however, transversely l connected blanket-like oilv spreading passages 50, 5CH-that connect up in a manner and for a purpose hereinafter premised. `V`There being also annular reductions 9 formed nearl the ends of the said sleeve. v

An enveloping cage device 10,- 10 whichA is also formed separable and comprising, a pair of suitable ,endcollars 11, 11 that .register within the. said reductions .carried by the. sleeve; 'and a plurality of bar por- .tions 12,y being integral parts of the. cage and which normally fill the said V'gaps ofthe said sleeve substantially. Positioned intermediate .the ends. of the said bars, are radial openings" 1 3, into which are mounted suitable valves V13` and in a mannerfto be automatically closed, by 'internal oil pressure, or, tend to open at a predetermined position, by differential oil pressures. It should also be undcrstood,`that` the diametric lines of separation of the above unit'members is such, that their union concur at right angles, one with the other,thus addingan element of rigidity. y Y

' Surrounding the unit above described, and

` positioned slidably within the-endsv of the collars v11, 11 is airotor sleeve, or oil-delivery member, comprising, tw'o longitudinal sec' tions 14, 15, the splatter telescopi'ng into the former `a proper distance, `by thread engage- And in Figs. 14, 15, 1bV4 ment `142, said sections arie also preferabl formed in a manner to be separated' throug their diameters, and suitable screws as indicated, to secure the same together substan- ,y tially. -The inner forni of said rotor sleeve registers precisely with the periphery of the enclosed bearing unit, and when the former 'said sections are aligned thereto, thisar'range ment secures reversed conical contact of the several elements as desired. The exterior, of this now complete rotor assemblage is in form cylindrical. However, its end portions 16, 17

are reduced, in order to slidably enter the heretofore mentionedw cage collars annular recesses.

There are formed on the peripher of said the l'ike-and'inserted into the channel-gap circumferetially disposed at the outer junction of the said sections: The otlice of the said packing means, is to normally close the ends of the channels, or pockets 18 as desired. Thereare provided near the ends and on the peripheries of said sections, series of radially pr-ojectingloil inlets 19 and the purpose of which will be presently mentioned.l

And locking screw pins 19', 1.92,l the former being to fix permanently the rotative motion of the inner bearing'unitwith that of its main/supporting section 14.! And the latter, is removably fixed in the adjusting section 15 for the purpose as statedf` This concludes .the description of the rotor sleeve and its assemblage. p

Oil deli/Ua@ devices.

In direct cooperation with the described rotor unit, is its supporting fixed cradle 20 having a chanibered portion within and intermediately'positioned. Said chamber`29 is' divided longitudinally into two separate -sec" tions by brikd e portions 30, 45 and thus made complete by t e said rotor element positioned therein. The lowermostl section 'of said chamber at-itsupper end, .connects with an inlet oil passage 38, whereby oil is .drawn lfrom a :supply manifold 86. vWithin this chamber section'- oil is4 caused toaccninulate lat normal pressure, and has in this'position no outlet other, than' by the prearranged t The said compression chamber section has provided a plurality of outlets.: the rst to y .cage arms, as hereto ore premised. And the' wly as desired, into the said slot.

mention being' the exhaust-passage 70, and

'from thence connectively into the cam shaft the oil scavenger device, the sa1ne in fact is the operative element, that provldes the necessary vacuum, which maintains the'flow of oil into the said lower chamber. Positioned adj acently below the said exhaust passage, (referring to Fig. 6) is a suitable slot 40, having a seein-ablyl attached closure 43, said slot is positioned directly over and in alignment with the inner rotor channels 18. And a roll portion 41 of such dimensions as to slidably fit into the said slot, said roll when in its lowermost position fits into the said rotor channels 'and is thereby caused to roll,but in an opposite direction, as indicated by the arrow, and by this turning movement`1eadily adjusts itscltI progressively to the contour of the said supporting rotor. Said roll is also free to be deflected outward- And further, said roll is preferably formed= in sections in such a manner as to be automatically adjustable lengthwise, to guard against leakage. And means provided, whereby pressure' oil is admittedby by-pass 47, which is for the purpose of balancing the oil pressure exerted upon the said1 roll element and also tends to relieve the `tension -from theattached spring thereby. Now

vfrom the said passages 19, `(see Fig. 4:) is

directed into shallow distrlbuting basins 49 positioned outwardl and parallel with the manner ofdispensing from the said basins-fas lubricaitfand otherwise, has been previously described. However, through these basins pressure oil is delivered to the acting valves. r j

Ehauet oil delivery devices, Under-the above head: Means to channel direct 4the kused lubricant that hasissued from .y within the mainbearings, is now in order.

Il 1, is shown an ordinary shaft 54carrying a plurality of double cranks 28. There are. 'also shown in` thisl instance, threeV oil ppmping bearings supportingzthe'said shaft.

owever, the above arrangement may be differentiated, by installing one, and in some uinstances, two plain' oil circulating support bearings in place, of the first mentioned number of. pumping units. A j Said cranks have bearings therefor, andthe same are rod-connectedwitli' their pistons the channel means j ust'described.

in the ordinary manner. And as the channel connections of the several crank driving units are practically alike,the rear pump-bearing and-its adjacent crank connections, will be set forth.

To receive and dispose of the oil that has passed through the pump-bearing and convey'it by a more direct and shortened path, into the said crank bearing: I prefer to provide annular collecting zones. Said .zones are in fact, but ample clearance spaces, positioned just beyond the ends of the adjustable rotor element, that supports the main bearing. See Figure 5. Moreover, these zones are intimately connected by series of small openings which are also connected with their adjacent charging groove 53, which in this instance, is required only in the front end of the main bearing. As itsrear end portiencarries special means 113, 11'* for baliling leakage substantially of all the exhaust portions are collected and seek an outlet through (For clearncss sce Figs. 20, 21.)

In this preferred construction is shown the crank arm positioned in a manner to close the end of the said groove 53, said arm also carries anabutment or ledgeK that extends ito the said groove portion suicient, to thus'sccure a substantial connection of the vtwo forward mov-ing elements.

tion an opening 57 which projects atan an'gle to the rotation of thesaid arm, and said opening is -so positionedthat it precisely registers with the said charging groove thereof. And positioned directly adjacent the open- .ing 57 is arranged the uppermost section of a like receiving groove, whichis carried by the crank bearing. This said groove is likewise formed by themoving arm into a closed channel 58 rvas desired.A It should be evident .that by thisy novel .construction set forth, a continuous closed path foi-.lubrication is provided, regardless of the relative rotatory positions of the two connected bearings, one with the other." And collectively, with the centrifugal sweep of the intermediate arm, and the angularity ofthe connective means 5'( carried within the same tends to increase the -mobilityfaegff the oil su stantially.-

rpresent in the v.operation of the above demeans, but this is desired, it being preferred nrthis manner, to balecarbon and j Furtherv more, there is provided within the arm por-' other matter from entering the channels romwithout. 4

' The means employed to direct oil from the receiving channel 58 positioned Ainthesaid plain bearing'of the crank 2'8, is in` fact, a replica `of the means usedl in the main bearing unit, the same having been described,v need not be repeated here,with this exception: that lubricant is4 percolated radially into the clearance zone, by drawing the same from, the receiving channel 58 positioned'on "the, rear side of said bearing,and exhausts by like means that function on the front side crank bearing unit,.is provided an oil"cir ings.

culatory and cooling groove 58 which is formed into a channel, by its outer connecting rod assemblage 56.n (Said channel is connected with the said rods wrist bushing of like form, by tube 59 and from thence, through the hollow piston pin 6l which is connected with the clearance chamber 67 carried by the piston substantially. l

It is preferred that the several crank bearing units, be free to turn and adjust themselves, within their rod mountings, by the action of differential pressures exerted thereon in service, as the circumferential shifting of thesame tends to preserve their clearance zones, which contributes toward their maximum lubrication. i'

Auxiliary chan/nel devices.

Channel means hasalready been outlined, as leading into the hollow cam shaft.l N ow te follow up in brief, the means used in this system, to proportion the volume of lubricant required, in the two differential valve mount` (Again refering to Figs. 1, 2 and 3.) Provided, a lead pipe 71 vertically positioned, that channel connects with the intermediate cam-shaft bearing 66. and also with an uppermost horizontally extending pipe portion 72, which is carried by the valve mountings 73. Said pipe having pairs of downwardly spaced apart nipples provided thereon. Positioned directly under the said pairs of oildirecting nipples, are pivot arms 74 which are carried-by the cylinder-head. Said arms are provided uppermost with partitioned drip-cups "7 5 and each partitioned `portion' having therein oppositely disposed oil conveying channels 75', and l752. Said. partitions are so staged under the said nipples, that a lesser portion of the lubricant is delivered to the intake valve group as desired. As the former mentioned channel connects with the intake valve rods 76, 7 Gand the latter with the exhaust valve rods 77, 77 respectively. Also means carried by the said several rods, .which convey lubricant to their sup-f ports and valve seats. And suitable casings 78that confine the returning residue of loil to the parts to be lubricated substantially. Also means 79 being direct connected with the oil compression chamber, and attached `at the uppermost en'd of the same a suitable sight Y pressure gauge 80, as indicated.

. Power-operating devices. I One method, whereby I have devisedeto op' erate the rotor-pump mechanism, consists of a line of reduction gears, (see Figs 4, 5) .which connect with the driven spur-gear carrled by the said mechanism, and a worm-gear mounted on the cam-shaft, as indicated. Not electing to use the above means, further explanation of such, is unnecessary.

As I prefer to use, as heretofore premised: a modified form of drive, (referring to Figs. 20, 24C) wherein is shown in broken sections the said modification. ,And in order to show more clearly certain elements that are altered,

I have designa-ted such, by letters- However, e the same bearing units are used 1u the latter,

with this exception: the driven gear A, is positioned at the foremost end of the rotor element, and the same is integral therewith which relieves the bearing unit collar l1,l as shown.

The cradle portion C and its removable cap C', and within the said caps flanged portion 's provided a round opening D that extends vertically upward a suitable distance. And within the adjacent flange portion carriedl by the said cradle. is a like opening D', and intermediate the ltwo said openings, is provided a concentric recess E, which is in fact, a elear-4 ance slot that connects with the interiorofthe casing or cradle. There is also provided a lug portion E carried bythe motor wall C2, the same being` positioned vertically yabove and at a suitable distance from the said openings.

Said 'lug also carries a bushing F. Mounted within the said bushing and the described lewermost bearing opening, is a rotatable rod G. And near the end of said rod is secured a driving worm-gear G2 which substantially engages the said gear carried by the rotor ele? ment mounted within the said cradle. Se# cured to sai-d rod and located directly luder the said uppermost bushing, a driven worm gear G which engages alike gear I-I which is carried by the cam shaft H, the same beinga Positioned Within the oil-'screen 35 is an or dinary priming pump -J which is power con.- nected by an extension rod I to the drive rod Gry 'as shown. Channel pipe 2 which connects the said priming pump with a suitable pipe manifold 36. And minor eonnections 3Y carl' ried by the said manifold and so positioned as fto directly eonneetthe several oi -pump bear-v.

ings' thereto.' Also a relief valve 39 mounted on the manifold pipe, and fr the purpose'of relieving excess oil pressure therein when re-A quired. V y A Suitable means for the automatic release of said prlming means, is not shown in the drawings.

Gef/wml operation of system. i

In this description, such terms are used which include the several alike mechanisms as contributing toward operative action.

Bearing in mind that adjacent to the main shaft points of support, there are power actuating rods G which are adapted to engage and.

actuate the oil delivery mechanisms which first' deliver maximum lubrication within their own connes,-and then urges the residue oil throughout the contines of the motor. The operation of the entire system will be clearly understood on reference to the following description.

Assuming that the preferred parts are in the full line positions as shown in Fig. 1 and in detail, Fig. 4, with the lowermost section of chambers 29; the same having been oil filled by primer J. And by automatic action` y fold operative disposition of the pressure oil.

First, the radial inlet passages 19 carried by the latter .mentioned member open only, at predetermmed points uppermost, in its rotating path and through the same, oil is caused to directly enter distributing clearance spaces 49, and from thence through valve openings 13 into the main clearance zones. l

It should now be obvious, that as the rotative members are carried downwardly, the

said valve openings carried thereby having been normally open, have also closure elements 13 that are caused to close said openlngs. As the eii'ective pressures within the said clearances at this point are greater than 1s that of the oil pressure without the reinforcement of the lubricating film in this mannel` of operation is continuous.

.Second,as the-clearance zones wherein lubrlcant progressively enters, s of a necessity small: The majorvolume of he circulating 011, for this reason is caused to by-pass and further urged into circulatory blanket-like channels 50, which are positioned directly ad- ]acent the said clearance zones thereof.

And 1n cooperation further: Simultaneous with the closing of the aforesaid bearing valves, are also the automatic closing of the said radial inlets, which overrun provided bridge portions in the paths of their downward orbits. This concluding means acts asV safety stops, to prevent the premature es` cape of the oil. v A v Owing to the provision `of the operative channels thus acting as bailiers, to prevent a too hasty discharge; it should now be clear thatthe aggregates in the separate functions are compulsorily retained for a period until lapse of `a required time for eilecting proper reunion before reaching the exhaust.

Therefore, the used oil having reached the exhaust delivery channels 53, which are positioned at the eXtreme ends of all the bearings,

and from thence is the oil urged outwardly through rotatory connectlve means 57, that so connect the several series of crank bearings.

Then said oil is urged upwardly through means carried by the connecting rods, and thence into the pistons and the cylinder walls thereof.

It should be hereinentioned, that the several pump bearing units contribute collectively, in maintaining oil on'the lcrank shaft por tions, at a constant pressure. And as a means of outlet, one or more conveying pipes 70, conneet the lower system, with the secondary part, being the cam shaftl bearingswhich are lubricated in theordinary manner.- But connected with the center-most chamber o'the same'wis a vertically positioned pipe 71, the

same being connected at its uppermost end with means that deliver-'oil and sub-divide to eachrespective valve mechanism. So that, a minor volume only,"is delivered into the receiving rods andv valves, whilst the major volume is caused to iiow downwardly by gravity, thus lubricating the .exhaust valve elements, And further, said residue is directed assist in the lubrication of the lowermost moving parts of the same.

Having thus described the invention, what I claim as new is:

1. A mechanism of the class described comprising a fixed cradle, a bearing element lov-- cated therein, a crank shaft passlng thruv and Arotatably supported-by the said bearing element, saidbearing element coniprlsing a rotatable bushing an bemg provided wlth a plurality of pockets on its periphery, means to intermittently register with said poc ets,

in` their rotation, whereby the suppl of; oil in said pockets will be discharged an renewed upon each Irotation of the bearing element.

.ice

' by suitable tubes 78 which are so situated as to A.

.llU

2.' A mechanism of the class described comprising a fixed cradle, a bearing element located therein, al crankshaft passing. thru and rotatably supported by the said bearing element, said bearingelement comprising a rotatable bushing carried within a rotor supporting member and being provided'pwith al 4plurality of spaced apart pocketsl en its periphery, means for rotating saidbearing element, a source of pressure, an inlet opening Ain the -cradle connected to the sourcev and adapted to intermittently communicate with the pockets in their rotation and deliver oil thereto, means carried by the cradle that coact with the said rotor member to 'force supply oil from the adjacent pockets and then thru suitable outlets to the bore .of the bushing to Vsupply pressure oil to the crankl shaft bearing, and meansncarried Within said outlets that cause them to act inverselyat a pointl dianietrically spaced from said inlet, to dis charge tl e used lubricant outwardly and intoprovide drain channels and again at a'predeternunedpoint in thc-1r rotation adapted to intermittently register with the pockets,

" whereby the supply of pressure oill will be renewed and discharged from within the bore of the bearing upon' each rotation of the'bearing element.

3. A mechanism of the class described com' prising a iixed cradle, a bearing element located-therein, a crank shaft' passing thru and rotatably supported by the said bearing element, said bearing element comprising va rotatable bushing, said bushing having an outer form the eXtreme ends of-which 'converge toward its center, and there being an envelop ing cage member that registers' Within the periphery of the bushing, and a rotor de'- livery member that supports the bushing and interlocks Within the end portions ofv said cage, the several members coacti-ng to direct, compress and maintain oil'withinl the bushing, pockets, carried on the periphery of said rotor, means for rotating theunit bearing element, al source of pressure, an. in let opening in the cradle there-vbeing-an oil supply zone connected therewithandadaptedto.com-

" from the aforesaid zone to receive the oil,. and means carried bythe cradle that delivers inunicateiwith said pockets and deliver oil thereto, an uppermost' compression zone -conl nected with thev pockets, but spaced apart oil from out the pockets, providinga vacuijm,

and* means carried by said' ca e member,

whereb ressure oil Within sai zone is'dil rectly ehvere'd'to the bore of the bushing andv at alowerinostA osition, said meansA acting to retain the oil ut at a predetermined point of their rotation tending tol discharge the` used lubricant into a vseries `of drain chail.

nels spaced without, upon each rotation of "the bearing element.

1 4. A meehanism of the class-destined wmprising a fixed .crad1e,;a bearing element lothe said bushing and interlocking with said cage, a series of spaced apart pockets carried on the periphery of thesaid bearing element, spaced apart bridge .portions carried within said cradle, providing an oil receiving and pressure zone, tooth like portions carried on the periphery of said rotor'meinber and an inlet opening connecting supply oil with the rot'or and means for rotating the same, whereby oil in the said pockets will be urged upwardly and into the saidv pressure zone, bailler meansl carried by vthe cradle that coact with the rotor in such anianner as to cause the said oil within theaioresaid zone to be compressed and providing a vacuum wherein supply. oilv is urged Within thereeeiving zone, outlets carried'by the cage member that automatically open and close at predcterinined pointsin their rotation theieby adn'iitting compressed oil into the bore of ,L the bushing, causing the same to be retained,

and then discharging the used lubricant upon i each rotation of the bearing element, and drain means spaced apart from the bore of the bushing' and positioned lparallel, thereto, that direct the said discharged oil outwardly.

5. An oil film adjusting device as described the combination with a fixed cradleand a said bushing which the rotor supports, manulli ally operated means provided, the action of which causes the .said threadengaging rotor its registering 'contact with the ushing the film of lubricant within the bore of the bush? the .said film to increase in gauge, and means rovided to lock `the rotor element andthe us'hing mechanism as anoperative unit after' its adjustment. (iI A n'oil scavenger device as described the vcombination with aiixed cradle and' a bearing element located therein, a crank shaftpassing thru and rotatably supported by the said bearing Velement which element has a` series 'of longitudinal spaced. apart .pockets on its periphery, an inlet opening connecting with said ement, said ckets,'and means forrotating the scavenger device conj to slightly lengthen, andb yreason of lll sisting of a suitable roller, which roller is adjustably carried within a slot positioned Within the said cradle and the said slot being aligned directly adjacent to the 'ends of the said pockets carried on the periphery of said bearing element, means to intermittently by pass pressure oil to the outer surface of said roller for maintaining the roller in traction engagement with the contour of the pocket Walls and auxiliary means carried Within the outer portion of said slot that also coact with the roll, thereby causing the oil within the rotating pockets to be fore/edv therefrom, a source of oil pressure, and simultaneously a suitable vacuum, wherein supply oil is urged to enter thru said inlet and then upwardly, as shown and described.

7 In,an oil passage device, the combination with a main power driven bearing, a source of oil pressure, said bearing supporting a crank shaft and a connecting rod bearing mounted upon the shaft crank, which bearings are spaced apart by an arm of the said crank: said device consisting of means carried Within the adjacent ends of said bearings, which means lrevolvably intereng'age with suitable means positioned upon the opposite faces ot' said arm, there being a'passage way carried by the arm which directly connects suitable passages carried by the adjacent 'ends of the bearings, whereby service oil is permitted to flow from the main bearing and into the other, irrespective of their rotative positions, one with the other.

8. In an oil passage device, the combination with a plurality of main power driven bearings, a source of4 oil pressure, said bearings supporting a crank shaft and a -plurality of connecting rod bearings mounted upon the said shaft cranks, and the main bearings spaced apart from said rod bearings by the crank arms, said device consisting of suitable means carried Within the adjacent ends of the several pairs of aligned bearings, which means revolvably interengage With concentric ledges carried upon the opposite faces of the said crank arms, there being passage Ways carried by the arms, said Ways being posi- FRANCIS E. BUXTQN. 

